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C# with OCX Control is abnormally terminated


I am testing the OCX in a variety of ways in my customer site.

The test environments are as below.

  • OS : Windows7,  32 bit  and 64 bit
  • Visual Studio 2010 express and professional
  • .Net 4.0 and 4.5.1
  • QlikView : 11 SR7 and SR8

But OCX  in .Net 4.0 doesn't work properly.

So I changed the .Net version to 4.5.1.

It works well except abnormal termination of the C#.

Whenever I press the OK button after inputting the OCX property using qvp protocol to open a document of the QV server, the C # program is abnormally terminated .

But there are no errors, C# is just downed.

I wonder why this happens.

Does anyone have experiences ?